package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品 {}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        String pattern="dish_"+dishDTO.getCategoryId();
        clearCache(pattern);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询 {}",dishPageQueryDTO);
        PageResult pageResult=dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result deleteBatch(@RequestParam List<Long> ids){
        log.info("批量删除菜品 {}",ids.toString());
        dishService.deleteBatch(ids);

        String pattern="dish_*";
        clearCache(pattern);
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getWithFlavorById(@PathVariable Long id){
        log.info("根据id查询菜品 {}",id);
        DishVO dishVO=dishService.queryWithFlavorById(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品 {}",dishDTO);
        dishService.update(dishDTO);

        String pattern="dish_*";
        clearCache(pattern);
        return Result.success();
    }

    /**
     * 菜品起售和停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售和停售")
    public Result startOrStop(@PathVariable Integer status,Long id){
        log.info("菜品起售和停售 {} {}",status,id);
        dishService.startOrStop(status,id);

        String pattern="dish_*";
        clearCache(pattern);
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> queryByCategoryId(Long categoryId){
        log.info("根据分类id查询菜品 {}",categoryId);
        List<Dish> list=dishService.queryByCategoryId(categoryId);
        return Result.success(list);
    }


    private void clearCache(String pattern){
        //通过表达式获取菜品键集合
        Set set = redisTemplate.keys(pattern);
        //根据键删除菜品
        redisTemplate.delete(set);
    }
}
